Mid sole



FIG. 1 is a perspective view of a mid sole according to the present invention;

FIG. 2 is a bottom view of the mid sole of FIG. 1;

FIG. 3 is a top view of the mid sole of FIG. 1;

FIG. 4 is a right side view of the mid sole of FIG. 1;

FIG. 5 is a left side view of the mid sole of FIG. 1;

FIG. 6 is a front view of the mid sole of FIG. 1; and,

FIG. 7 is a rear view of the mid sole of FIG. 1.

The broken lines in the figures merely illustrate the environment for the mid sole of the present design and therefore form no part of the claimed design. 

The ornamental design for a mid sole, as shown and described. 